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The lens in the adult human eye blocks nearly 100 percent of the sun's UV rays. As part of the normal aging process, the eye's natural lens eventually blocks some short-wavelength blue light as well â the type of blue light most likely to cause damage to the retina and lead to macular degeneration and vision loss.
Some injuries were accidental, but others involved a playmate intentionally pointing the laser beam at the victimâs eye. The distance between the victimâs eye and the laser beam ranged from a half-meter to 6 meters, roughly 1.7 feet to 20 feet. Those who suffered retinal holes were injured at the closest distance, around a half-meter. Generally, injury from greater distance resulted in less serious damage.